10110221212021 has 4 divisors (see below), whose sum is σ = 11554538528032. Its totient is φ = 8665903896012.

The previous prime is 10110221212009. The next prime is 10110221212033. The reversal of 10110221212021 is 12021212201101.

10110221212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10110221212009) and next prime (10110221212033).

It is a cyclic number.

It is not a de Polignac number, because 10110221212021 - 2²¹ = 10110219114869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10110221211986 and 10110221212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110221212321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722158657995 + ... + 722158658008.

It is an arithmetic number, because the mean of its divisors is an integer number (2888634632008).

Almost surely, 2^{10110221212021} is an apocalyptic number.

It is an amenable number.

10110221212021 is a deficient number, since it is larger than the sum of its proper divisors (1444317316011).

10110221212021 is an equidigital number, since it uses as much as digits as its factorization.

10110221212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444317316010.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10110221212021 its reverse (12021212201101), we get a palindrome (22131433413122).

The spelling of 10110221212021 in words is "ten trillion, one hundred ten billion, two hundred twenty-one million, two hundred twelve thousand, twenty-one".